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Oracle Linux 6 / 7 : bind (ELSA-2015-1705)

2015-09-04T00:00:00
ID ORACLELINUX_ELSA-2015-1705.NASL
Type nessus
Reporter This script is Copyright (C) 2015-2021 and is owned by Tenable, Inc. or an Affiliate thereof.
Modified 2015-09-04T00:00:00

Description

From Red Hat Security Advisory 2015:1705 :

Updated bind packages that fix one security issue are now available for Red Hat Enterprise Linux 6 and 7.

Red Hat Product Security has rated this update as having Important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols. BIND includes a DNS server (named); a resolver library (routines for applications to use when interfacing with DNS); and tools for verifying that the DNS server is operating correctly.

A denial of service flaw was found in the way BIND parsed certain malformed DNSSEC keys. A remote attacker could use this flaw to send a specially crafted DNS query (for example, a query requiring a response from a zone containing a deliberately malformed key) that would cause named functioning as a validating resolver to crash. (CVE-2015-5722)

Red Hat would like to thank ISC for reporting this issue. Upstream acknowledges Hanno Bock as the original reporter.

All bind users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. After installing the update, the BIND daemon (named) will be restarted automatically.

                                        
                                            #%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2015:1705 and 
# Oracle Linux Security Advisory ELSA-2015-1705 respectively.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(85777);
  script_version("1.15");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/14");

  script_cve_id("CVE-2015-5722");
  script_xref(name:"RHSA", value:"2015:1705");

  script_name(english:"Oracle Linux 6 / 7 : bind (ELSA-2015-1705)");
  script_summary(english:"Checks rpm output for the updated packages");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Oracle Linux host is missing one or more security updates."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"From Red Hat Security Advisory 2015:1705 :

Updated bind packages that fix one security issue are now available
for Red Hat Enterprise Linux 6 and 7.

Red Hat Product Security has rated this update as having Important
security impact. A Common Vulnerability Scoring System (CVSS) base
score, which gives a detailed severity rating, is available from the
CVE link in the References section.

The Berkeley Internet Name Domain (BIND) is an implementation of the
Domain Name System (DNS) protocols. BIND includes a DNS server
(named); a resolver library (routines for applications to use when
interfacing with DNS); and tools for verifying that the DNS server is
operating correctly.

A denial of service flaw was found in the way BIND parsed certain
malformed DNSSEC keys. A remote attacker could use this flaw to send a
specially crafted DNS query (for example, a query requiring a response
from a zone containing a deliberately malformed key) that would cause
named functioning as a validating resolver to crash. (CVE-2015-5722)

Red Hat would like to thank ISC for reporting this issue. Upstream
acknowledges Hanno Bock as the original reporter.

All bind users are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue. After installing the
update, the BIND daemon (named) will be restarted automatically."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://oss.oracle.com/pipermail/el-errata/2015-September/005381.html"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://oss.oracle.com/pipermail/el-errata/2015-September/005382.html"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected bind packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:bind");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:bind-chroot");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:bind-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:bind-libs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:bind-libs-lite");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:bind-license");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:bind-lite-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:bind-sdb");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:bind-sdb-chroot");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:bind-utils");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:linux:6");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:linux:7");

  script_set_attribute(attribute:"vuln_publication_date", value:"2015/09/04");
  script_set_attribute(attribute:"patch_publication_date", value:"2015/09/03");
  script_set_attribute(attribute:"plugin_publication_date", value:"2015/09/04");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2015-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Oracle Linux Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/OracleLinux", "Host/RedHat/release", "Host/RedHat/rpm-list");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("rpm.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/OracleLinux")) audit(AUDIT_OS_NOT, "Oracle Linux");
release = get_kb_item("Host/RedHat/release");
if (isnull(release) || !pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux)", string:release)) audit(AUDIT_OS_NOT, "Oracle Linux");
os_ver = pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux) .*release ([0-9]+(\.[0-9]+)?)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Oracle Linux");
os_ver = os_ver[1];
if (! preg(pattern:"^(6|7)([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Oracle Linux 6 / 7", "Oracle Linux " + os_ver);

if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Oracle Linux", cpu);

flag = 0;
if (rpm_check(release:"EL6", reference:"bind-9.8.2-0.37.rc1.el6_7.4")) flag++;
if (rpm_check(release:"EL6", reference:"bind-chroot-9.8.2-0.37.rc1.el6_7.4")) flag++;
if (rpm_check(release:"EL6", reference:"bind-devel-9.8.2-0.37.rc1.el6_7.4")) flag++;
if (rpm_check(release:"EL6", reference:"bind-libs-9.8.2-0.37.rc1.el6_7.4")) flag++;
if (rpm_check(release:"EL6", reference:"bind-sdb-9.8.2-0.37.rc1.el6_7.4")) flag++;
if (rpm_check(release:"EL6", reference:"bind-utils-9.8.2-0.37.rc1.el6_7.4")) flag++;

if (rpm_check(release:"EL7", cpu:"x86_64", reference:"bind-9.9.4-18.el7_1.5")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"bind-chroot-9.9.4-18.el7_1.5")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"bind-devel-9.9.4-18.el7_1.5")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"bind-libs-9.9.4-18.el7_1.5")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"bind-libs-lite-9.9.4-18.el7_1.5")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"bind-license-9.9.4-18.el7_1.5")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"bind-lite-devel-9.9.4-18.el7_1.5")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"bind-sdb-9.9.4-18.el7_1.5")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"bind-sdb-chroot-9.9.4-18.el7_1.5")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"bind-utils-9.9.4-18.el7_1.5")) flag++;


if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
  else security_hole(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "bind / bind-chroot / bind-devel / bind-libs / bind-libs-lite / etc");
}
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